package com.itheima.bubblesort;

public class BubbleSortDemo {
    public static void main(String[] args) {
        int[] arr = {3, 5, 2, 1, 4, 7};
        bubbleSort(arr);
        printArr(arr);
    }

    private static void bubbleSort(int[] arr) {
        for (int i = 0; i < arr.length - 1; i++) {
            sort(arr, i);
        }
    }

    private static void sort(int[] arr, int i) {
        for (int j = 0; j < arr.length - i - 1; j++) {
            if (arr[j] > arr[j + 1]) {
                int temp = arr[j];
                arr[j] = arr[j + 1];
                arr[j + 1] = temp;
            }
        }
    }

    private static void printArr(int[] arr) {
        for (int i = 0; i < arr.length; i++) {
            System.out.printf(arr[i] + " ");
        }
        System.out.println();
    }
}
